Centre assembly, duoscope
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1988.1215.001
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- OBJECT TYPE
- LENS
- DATE
- 1940
- ARTIFACT NUMBER
- 1988.1215.001
- MANUFACTURER
- Unknown
- MODEL
- Unknown
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 27.0 cm
- Width
- 10.0 cm
- Height
- 6.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Photogrammetry
- Sub-Category
- N/A
Manufacturer
- AKA
- Unknown
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- PROBABLY 1940'S
- Canada
-
PART OF THE DEVELOPMENT OF THE DUOSCOPE, MONOSCOPE & LATER, SEELYSCOPE CARRIED OUT BY THE DOMINION FOREST SERVICE IN EASTERN CANADA - Function
-
IS THE PART OF THE DUOSCOPE WHICH, WHEN FITTED WITH MIRRORS,ENABLES THE VIEWER TO 'SUPERIMPOSE' AN AERIAL PHOTO AT THE CORRECT SCALE ON A MAP SO DETAILS FROM THE PHOTO CAN BE TRACED. REQUIRES MIRRORS, LENSES, AND SUPPORTS TO FUNCTION. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- STICKER: 'DEPARTMENT OF FORESTRY/ SERIAL NO. 00463'
- Missing
- 2 MIRRORS AND 2 LENSES
- Finish
- BLACK CRINKLE FINISH
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Unknown Manufacturer, Centre assembly, duoscope, circa 1940, Artifact no. 1988.1215, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.1215.001/
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